On Tue, May 17, 2005 at 02:35:30PM +0700, Ian Zagorskih wrote:
> At point (1) do i need to call spltty() once again or tsleep(9) restores
> previous system priority level?
In short: the latter.
The (l)tsleep() call may cause a context swith from and back to your
current context. The spl is preserved on context switches.
Martin